Brother MFC-L8600CDW User Manual page 116

j
Make sure the blue lock lever (1) is in
the release position as shown in the
illustration.
1
k
Gently slide the drum unit into the
machine until it stops at the blue lock
lever.
1
2
106
l
Turn the blue lock lever (1) clockwise to
the lock position.
m
Push the drum unit in until it stops.
n
Close the front cover of the machine.
1